Robert Heinlein

No intelligent man has any respect for an unjust law.

No intelligent man has any respect for an unjust law.

If "everybody knows" such-and-such, then it ain't so, by at least ten thousand to one.

If "everybody knows" such-and-such, then it ain't so, by at least ten thousand to one.

Always listen to experts. They'll tell you what can't be done and why.
Then do it.

Always listen to experts. They'll tell you what can't be done and why.
Then do it.

Sin lies only in hurting others unnecessarily. All other "sins" are invented nonsense.

Sin lies only in hurting others unnecessarily. All other "sins" are invented nonsense.

Love is the condition in which the happiness of another person is essential to your own.

Love is the condition in which the happiness of another person is essential to your own.